Hard glassy red, yellow or green minerals, used as gemstones and abrasives

Let's find possible answers to "Hard glassy red, yellow or green minerals, used as gemstones and abrasives" crossword clue. First of all, we will look for a few extra hints for this entry: Hard glassy red, yellow or green minerals, used as gemstones and abrasives. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.